System Administrator

2 months ago

Fairfax, United States The One 23 Group Full time
Job DescriptionJob DescriptionDescription:

At The One 23 Group, our mission is to set the benchmark for excellence in government services. We empower our clients in the Department of Defense, Intelligence Community, and Federal Civilian sectors to excel with our advanced capabilities. Our dedication lies in fostering a people-first culture, underpinned by steadfast ethical principles. Embracing innovative technologies and process improvements, we are steadfast in our journey toward a future that is both bright and transformative.


Our expertise spans consulting and analytics, digital workplace solutions, and cyber compliance. With our global footprint, we place a strong emphasis on nurturing our people and culture, which forms the core of our successful strategies in leadership and financial management. We pride ourselves on our extensive experience and effective approach, ensuring that we lead with both innovation and integrity.


The One 23 Group, a Virginia-based Government Contractor, seeks a Systems Administrator local to the Washington, DC area.

Requirements:
  • Design, deploy, configure, secure, monitor, and manage a variety of cloud-based infrastructure components hosted within multiple cloud providers, including Amazon Web Service’s VPC, EC2, RDS, Lambda, S3, Cloud Formation, CloudWatch, IAM, etc.
  • Install, configure, secure, upgrade, and maintain multiple operating systems such as Red Hat Enterprise Linux, CENTOS, and Windows Server in accordance with DoD, IC, and the Intelligence Community policies.
  • Maintain several enterprise-class web analytics collection platforms utilizing PHP, MySQL, Apache, and other similar technologies.
  • Troubleshoot, document, and fix complex system, network, and database issues.
  • Perform daily, weekly, and monthly system health checks and backups.
  • Evaluate and install application and operating system security patches while maintaining a log of system problems, errors, failures, trends, and downtime metrics.
  • Maintain hardware and software inventory lists and install software releases and upgrades.
  • Create and manage application user accounts and access control using least privilege methodologies.
  • Perform and document all required actions necessary to obtain and maintain a full Authority To Operate (ATO) system accreditation, including implementing Security Technical Implementation
  • Guides (STIG), collaborating with accreditation authorities, creating Plan of Action and Milestones (POA&M), populating XACTA, etc.
  • Submit requirements within Service+ for any computer, storage, database, SharePoint, or Tableau infrastructure provisioning to be fulfilled by the UDS contractor.

Qualifications:

  • 10+ Years of related field or work experience.

Desired – must possess at least one (1) of the following (or other relevant certification):

  • Knowledge of the LINUX operating system
  • Experience with Windows Administration, for example:
    • Active Directory
    • Experience with hardening Windows instance per DISA STIG or equivalent
    • PowerShell and Bash Shell scripting
    • Group Policy Updates/Management
    • Users and Group Management
  • Knowledge of Amazon Web Services (AWS) or cloud architecture:
    • Amazon EC2 (create and update Amazon Machine Images)
    • Amazon S3 (configure bucket policies, Amazon VPC endpoints)
    • AWS Lambda
    • Amazon CloudWatch
    • Amazon VPC (manage Security Groups, Subnets, etc.)
    • AWS Identity and Access Management (IAM)

Clearance:

  • TS/SCI

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